Australians are more likely to get blood clots from taking the pill or flying long haul than getting AstraZeneca's Covid-19 vaccine, studies show. Prime Minister Scott Morrison and the state premiers have all backed the vaccine while the Therapeutic Goods Administration has said the jab is safe for public use. Their support for the AstraZeneca version - which most Australians will have - is despite British regulators advising young people be given a different vaccine. Of the 18 million people vaccinated in Britain against the virus, the national regulator has reported blood clotting in 79 recipients - 19 of whom died. A registered nurse receives an injection of the Covid-19 vaccine in Townsville, central Queensland in March. Of the 18million people vaccinated in Britain against the virus, the national regulator has reported blood clotting in 79 recipients - or one in 228,000